# SDR CALA2018031900948

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2018
- Submitted: March 19, 2018
- Operation: Air carrier
- Aircraft: [N786UA](https://openairdocs.org/aircraft/N786UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26938
- Aircraft time: 89,225 hours, 12,235 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: ADD71701100
- Part serial: 107266
- Condition: No Test
- Location: Emergency Lights
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2018031900948

## Discrepancy

DURING AN EMERGENCY LIGHT CAPACITY TEST,  FOUND THE R4 DOOR M33408 BATTERY PACK WITH LOW CAPACITY.  THE BATTERY PACK WAS REPLACED, TESTED NORMAL IAW AMM 33-51-06-960-802,  REV 82.

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